85243066 has 8 divisors (see below), whose sum is σ = 135386100. Its totient is φ = 40114368.

The previous prime is 85243061. The next prime is 85243073. The reversal of 85243066 is 66034258.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85026841 + 216225 = 9221^2 + 465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2507149 = 85243066 / (8 + 5 + 2 + 4 + 3 + 0 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (85243061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253541 + ... + 1253608.

Almost surely, 2^85243066 is an apocalyptic number.

85243066 is a deficient number, since it is larger than the sum of its proper divisors (50143034).

85243066 is a wasteful number, since it uses less digits than its factorization.

85243066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507168.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 85243066 is about 9232.7171515215. The cubic root of 85243066 is about 440.1016741620.

The spelling of 85243066 in words is "eighty-five million, two hundred forty-three thousand, sixty-six".